• Find the right o-ring for your project. Remember – an O-Ring not squeezed in its application is probably the wrong o-ring.

    O-Ring Gland Calc.
  • Apple Rubber has over 7,000 sizes of O-rings. More sizes added daily.

    O-Ring Size Search
  • Rubber compounds are a mixture of polymers, fillers, antioxitives and curatives. What’s right for your application?

    Material Selection Guide
  • Match your application's composition with the o-ring material offering the best chemical resistance.

    Chemical Compat. Guide
  • Dedicated to helping you design a successful sealing solution.

    Seal Design Guide

Hot Topics

Free eBook: The complete guide to medical‑grade rubber

The medical industry has utilized Rubber O-Rings and seals throughout history. Making sure you have the right material during the design phase can assure quick regulatory approval or prevent duplicate testing caused by the use of an unapproved material. To help you better understand, we broke down everything you need to know about medical rubber compounds in this free eBook.

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Apple Blog

7 Of The Best Medical Inventions from 2017

Advancements in technology are truly changing the way humans think about their health. Though it may be hard to believe we’re already looking at the year in review, 2017 was no exception to this progress. Here are some of the best medical inventions of this year.

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Who is Apple Rubber?

Meet Apple Rubber -- a leader in rubber compounds and sealing technology. Improving the products we rely upon. Changing the way we live.

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Apple Rubber does more.

Apple Rubber Products Inc.® is a leading designer and manufacturer of o-rings, rubber seals and custom sealing devices. When you need a standard AS568 rubber o-ring, a complex Liquid Silicone Rubber (LSR) prototype seal or medical-grade seals and parts, Apple Rubber has the sealing capabilities to deliver the sealing solution you need.